Question

170,90,50,30,20,---. A.5 B.8 C.15 D.10

Answer 1

Heya....

➡The answer is 15 ,
170-60= 90
90-40=50
50-20=30
30-10= 20
20-5=15

Answer 2

please make me a brainlist answer for the question answer is option no. C) 15